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This is a whole different ballgame. This does not sound like a DPFE or EGR problem at all. I'm thinking the Idle Air Control valve needs a good cleaning.



But my sister just had these exact same symptoms about 3 months ago. She took it to a mechanic, and they cleaned the EGR valve which cured the problem up until now. The mechanic told her she would eventually need a New EGR valve though...

??